MEXICO CITY—Tropical Storm Otis strengthened early Tuesday as it approached Mexico’s southern Pacific coast and was forecast to become a hurricane before making landfall near the resort of Acapulco late Tuesday or early Wednesday.
The U.S. National Hurricane Center said that Otis was about 155 miles (250 kilometers) south-southeast of Acapulco on Tuesday morning with winds of 70 mph (110 kph). It was moving north-northwest at 8 mph (13 kph).